Air freshener



FIG. 1 is a perspective view of the air freshener showing my new design thereof;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a first side elevation view thereof;

FIG. 5 is a second side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Elements shown in broken lines show non-claimed elements of the air freshener and form no part of our design. 

CLAIM The ornamental design for an air freshener, as shown and described. 